US2994028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current balancing reactors for rectifier elements
Assignee: ITE Circuit Breaker Co
•
Filing: 1956-12-14
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Granted: 1961-07-25
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Expires: 1976-12-14
Abstract
No abstract record available.
Inventors
- 👤 Isadore K Dortort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:31
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/08; H03; H03K; H03K17/00; H03K17/12; H03K17/14; H03K17/51; H03K17/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1110550A
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US1110593A
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US1417710A
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US1823917A
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US2165055A
Cited
US2224755A
Cited
US2700129A
Cited
US2776411A
Cited
US2856577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |